return {
 -- 默认数据库配置
    default = 'sqlite_db',
    
    connections = {
        sqlite_db = {
            type = "sqlite3",
            database = "/tmp/thinkorm_test.db",
            prefix = "think_"
 
        },
        secondary = {
            type = "sqlite3",
            database = "/tmp/thinkorm_test2.db",
            prefix = "think2_",
            pool = {
                max = 3,
                timeout = 5000,
                idle_timeout = 30000
            }
        },
        test3 = {
        type = "sqlite3",  -- 测试使用 sqlite3
        -- type = "mysql",  -- 也可以使用 mysql
        host = "localhost",
        user = "root",
        password = "",
        database = "/tmp/thinkorm_test3.db",  -- sqlite3 数据库文件路径
        -- database = "test",  -- mysql 数据库名
        port = 3306,
        charset = "utf8",
        prefix = "think_",  -- 表前缀
        -- 连接池配置
        pool = {
            max = 20,       -- 最大连接数
            timeout = 10000, -- 获取连接超时时间(ms)
            idle_timeout = 60000 -- 空闲连接超时时间(ms)
        }
    }

    }
}



